Category: Admin’s blog
Communiations from the Admin
DIY scintillation probe: the easy way
This guide is under continuative update. updated 9 June 2019 updated 12 June 2019 Intro Many backers of my USB PMT adapter project on Kickstarter…
LYSO + ZnS(Ag) new order
Today I’ve made a new order from The Rad Lab. This time I’ve found on it’s ebay store a stock of 20 LYSO crystals to…
Antenna rotor clean up
Some months ago I’ve received from the local A.R.I. radio club an old antenna rotor. I think it is a Daiwa but there is no…
Mosley TA-33-JRN
I’m an ham radio operator since year 2008. I’ve started this hobby with simple and relatively cheap equipment: an FT757GX transceiver and a long wire…
High voltage generation from 3.3-5V
This post describes my standard DC-DC HV converter You know, to power up geiger tubes or photomultipliers there the need of high voltage at very…
PRC320 power supply repair
My military HF manpack radio PRC320, 3 months after I’ve bought it, started to make a whistle and was not able to tune on any…
Software
This is the latest Free Version of Ham Radio Deluxe 5.0.2893 compiled by Simon Brown. Download here HRD_5.0.2893 Borland Turbo C 2.01 original (3 floppy)…
Autunite specimen from China
Recently I’ve bought a little specimen of Autunite from China. My sample is 20mm in lenght, 15mm width and 6mm thick with nice green lamellar…
NER10 X-Ray generator
I’ve bough from eBay a NER10 X-Ray generator tube. It was build in 1925-1930 I don’t know exactly when. It’s interesting to see how well…
PRT-E750W & PRT-E1500W vfd settings
How to set correctly the PRT-E750W and PRT-E1500W (are equals except for the power capability) VFD supplied with CNC 3020 and CNC 6040 chinese routers….
